do this in excel with work if possible. i posted this yesterday and my professor gave me an F for the answer

Probability Rate of Return | A | BI You have $10,000 and want to invest $4,000 in Stock A, and $6,000 in Stock B. 0.5 0.5 1 14% 8% | 10% | 18% 1. What is expected rate of return for Stock A? (0.2 point) 2. What is the variance of Stock A? (0.3 point) 3. What is the standard deviation for Stock A? (0.2 point) 4. What is the coefficient variation for Stock A? (0.2 point) 5. What is expected rate of return for Stock B? (0.2 point) 6. What is variance of Stock B? (0.3 point) 7. What is the standard deviation for Stock B? (0.2 point) 8. What is coefficient variation for Stock B? (0.2 point) 9. What is the expected return of the 2-security portfolio? (0.3 point) 10. What is the co-variance between Stock A and Stock B? (0.3 point) 11. What is the correlation coefficient between Stock A and Stock B? (0.2 point) 12. What is the variance of the 2-security portfolio? (0.3 point) 13. What is the standard deviation of the 2-security portfolio? (0.3 point) 14. What is the coefficient variation of the 2-security portfolio? (0.2 point)